package com.itheima.mygenericity.genericityclass;

import java.util.ArrayList;

public class Demo1 {
    public static void main(String[] args) {
        ArrayList<String> list1 = addElement(new ArrayList<>(),"a","b","c","d");
        System.out.println(list1);

        ArrayList<Integer> list2 = addElement(new ArrayList<>(),1,2,3,4);
        System.out.println(list2);

    }

    private static <T> ArrayList<T> addElement(ArrayList<T> list, T t1, T t2, T t3, T t4) {
        list.add(t1);
        list.add(t2);
        list.add(t3);
        list.add(t4);
        return list;
    }
}
